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Rosslare 4 - Door Expansion Module for AC425 / AC425IP



Quick Overview:

  • Compatible w Rosslare AC425 Networked Control
  • Allows Additional 4 Promimity Readers or Keypads
  • Four Relay Outputs / Inputs
  • Led Status Feedback for 12V Power & Relays
  • Wiegand or Clock-and-Data transmission keypad or biometric reader compatibility
  • Size (mm): 115 x 75.9 x 32.5


The Blurb:

Rosslare’s MD-D04 4 Reader expansion board is designed with a focus on high quality and reliability and is ideal for residential and commercial applications. Easy to install and operate, the MD-D04 expansion board features state-of-the-art supervised communications with the controller.

The expansion board adds four additional readersor keypad inputs; four relay outputs and foursupervised inputs to the access control panel. As a result, an access control panel with the MD-D04 expansion board can support a total of eight readers and eight doors. In addition, it is possible to add any keypad or biometric reader that supports the Wiegand, Clock-and-Data or any other format supported by Rosslare's AxTraxNG Software transmission formats.

The host access controller has complete control over the additional readers, inputs and outputs of the MD-D04 expansion board.




Electrical Specifications

Input Voltage 12 V DC from host controller
Input Current Standby: 30mA
Maximum: 135mA
Number Reader Ports 4
Number of Inputs 4
Output Relays 4 x 5A with N.O., N.C. and COM contacts Form-C Relays
Input Type Selectable: Normally Open, Normally Closed, Supervised with one
resistor (three states, normally open or normally closed), supervised
with two resistors (four states, normally open or normally closed)

Reader Specifications

Reader Output Voltage 12V DC
Max Reader Current 300 mA
LED Control Output Open collector, active low
Tamper Output 5V DC maximum voltage, optical anti-tamper sensor
Supported Formats Various, please refer to AxTraxNG manua


LED Indicators

Power LED: Active when mounted correctly on the host controller (AC-425)
Output LEDs Four LEDs; Each output LED is active when an output relay is
activated and N.O. to COM contacts are shorted

Physical Specifications

Dimensions (LxWxH) 115 x 75.9 x 32.5 mm (4.52 x 2.98 x 1.28 inch)
Weight: 98.2 g (0.21 lbs)



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Shipping Weight 0.2000kg
Shipping Width 0.160m
Shipping Height 0.070m
Shipping Length 0.220m
Shipping Cubic 0.002464000m3

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